/* ================================================
   RELISH GAMES - Main Stylesheet
   Dark charcoal theme with gold & lime accents
   ================================================ */

/* ------------------------------------------------
   CSS Variables
   ------------------------------------------------ */
:root {
  /* Colors */
  --color-bg-dark: #121417;
  --color-bg-base: #1a1d21;
  --color-bg-elevated: #22262b;
  --color-bg-card: #2a2f35;
  --color-bg-hover: #32383f;
  
  --color-text-primary: #f0f2f5;
  --color-text-secondary: #a8adb5;
  --color-text-muted: #6b7280;
  
  --color-accent-gold: #d4a843;
  --color-accent-gold-hover: #e5bc5a;
  --color-accent-lime: #9db33a;
  --color-accent-lime-hover: #b0c84d;
  
  --color-border: #32383f;
  --color-border-light: #404750;
  
  --color-success: #34d399;
  --color-warning: #fbbf24;
  --color-error: #f87171;
  
  /* Typography */
  --font-display: 'Segoe UI', 'SF Pro Display', system-ui, sans-serif;
  --font-body: 'Segoe UI', 'SF Pro Text', system-ui, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.5);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  
  /* Layout */
  --container-width: 1280px;
  --header-height: 70px;
}

/* ------------------------------------------------
   Reset & Base
   ------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  z-index: 9999;
}

#main-content {
  flex: 1;
}

a {
  color: var(--color-accent-gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-gold-hover);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

ul, ol {
  margin-left: var(--space-lg);
  margin-bottom: var(--space-md);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--color-bg-elevated);
  padding: 0.2em 0.4em;
  border-radius: var(--radius-sm);
}

pre {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  background: var(--color-bg-elevated);
  padding: var(--space-md);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

pre code {
  background: none;
  padding: 0;
}

/* ------------------------------------------------
   Container
   ------------------------------------------------ */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ------------------------------------------------
   Header
   ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(26, 29, 33, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-text-primary);
  font-weight: 700;
  font-size: 1.25rem;
}

.site-logo:hover {
  color: var(--color-text-primary);
}

.logo-icon {
  flex-shrink: 0;
}

.main-nav .nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
}

.main-nav a {
  color: var(--color-text-secondary);
  font-weight: 500;
  padding: var(--space-sm) 0;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent-gold);
  transition: width var(--transition-base);
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-text-primary);
}

.main-nav a:hover::after,
.main-nav a.active::after {
  width: 100%;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-text-primary);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

/* ------------------------------------------------
   Footer
   ------------------------------------------------ */
.site-footer {
  background: var(--color-bg-base);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 0;
  margin-top: var(--space-3xl);
}

.footer-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-3xl);
}

.footer-brand .logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer-tagline {
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.footer-nav-group h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer-nav-group ul {
  list-style: none;
  margin: 0;
}

.footer-nav-group li {
  margin-bottom: var(--space-sm);
}

.footer-nav-group a {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

.footer-nav-group a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  margin-top: var(--space-3xl);
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
}

.footer-bottom .footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin: 0;
}

/* ------------------------------------------------
   Hero Section
   ------------------------------------------------ */
.hero {
  background: linear-gradient(180deg, var(--color-bg-base) 0%, var(--color-bg-dark) 100%);
  padding: var(--space-3xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150%;
  height: 100%;
  background: radial-gradient(ellipse at center top, rgba(212, 168, 67, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 700px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ------------------------------------------------
   Buttons
   ------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-lime) 100%);
  color: var(--color-bg-dark);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.4);
  color: var(--color-bg-dark);
}

.btn-secondary {
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
}

/* ------------------------------------------------
   Cards
   ------------------------------------------------ */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-elevated);
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-image img {
  transform: scale(1.05);
}

.card-content {
  padding: var(--space-lg);
}

.card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-accent-gold);
  color: var(--color-bg-dark);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.card-badge.docs { background: #3b82f6; color: white; }
.card-badge.demo { background: var(--color-accent-lime); color: var(--color-bg-dark); }
.card-badge.tooling { background: #8b5cf6; color: white; }
.card-badge.community { background: #ec4899; color: white; }

.card-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.card-title a {
  color: var(--color-text-primary);
}

.card-title a:hover {
  color: var(--color-accent-gold);
}

.card-description {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ------------------------------------------------
   Section Styles
   ------------------------------------------------ */
.section {
  padding: var(--space-3xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-title {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.section-subtitle {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
}

/* Section divider with glowing dots */
.section-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xl) 0;
}

.section-divider::before,
.section-divider::after {
  content: '';
  height: 1px;
  width: 60px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.section-divider span {
  display: flex;
  gap: 6px;
}

.section-divider span::before,
.section-divider span::after {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent-gold);
  box-shadow: 0 0 10px var(--color-accent-gold);
}

/* ------------------------------------------------
   Grid Layouts
   ------------------------------------------------ */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Card grid with auto-fit */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
}

/* ------------------------------------------------
   Badge
   ------------------------------------------------ */
.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-elevated);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

/* ------------------------------------------------
   Updates/News Grid
   ------------------------------------------------ */
.updates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.update-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-fast);
}

.update-card:hover {
  border-color: var(--color-border-light);
}

.update-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.update-date {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.update-title {
  font-size: 1.125rem;
  margin-bottom: var(--space-sm);
}

.update-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  margin-bottom: 0;
}

/* ------------------------------------------------
   Newsletter Section
   ------------------------------------------------ */
.newsletter-section {
  background: var(--color-bg-base);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  border: 1px solid var(--color-border);
}

.newsletter-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.newsletter-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.newsletter-form {
  display: flex;
  gap: var(--space-sm);
  max-width: 450px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  color: var(--color-text-primary);
}

.newsletter-form input::placeholder {
  color: var(--color-text-muted);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-accent-gold);
}

/* ------------------------------------------------
   Tabs
   ------------------------------------------------ */
.tabs {
  margin-bottom: var(--space-xl);
}

.tab-list {
  display: flex;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: var(--space-xs);
  background: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  width: fit-content;
}

.tab-button {
  padding: var(--space-sm) var(--space-lg);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-button:hover {
  color: var(--color-text-primary);
}

.tab-button.active {
  background: var(--color-accent-gold);
  color: var(--color-bg-dark);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.tab-content {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.tab-media {
  aspect-ratio: 16 / 9;
  background: var(--color-bg-elevated);
}

.tab-media img,
.tab-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ------------------------------------------------
   Page Content
   ------------------------------------------------ */
.page-header {
  padding: var(--space-3xl) 0 var(--space-xl);
  text-align: center;
  background: linear-gradient(180deg, var(--color-bg-base) 0%, var(--color-bg-dark) 100%);
}

.page-title {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
}

.page-description {
  color: var(--color-text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
  margin: 0 auto;
}

.page-content {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.content-prose {
  max-width: 800px;
  margin: 0 auto;
}

.content-prose h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
}

.content-prose h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

/* ------------------------------------------------
   FAQ Section
   ------------------------------------------------ */
.faq-list {
  list-style: none;
  margin: 0;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-lg) 0;
}

.faq-question {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.faq-answer {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* ------------------------------------------------
   Responsive
   ------------------------------------------------ */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-container { grid-template-columns: 1fr; gap: var(--space-xl); }
  .footer-nav { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --header-height: 60px;
  }
  
  .mobile-menu-toggle {
    display: block;
    z-index: 1001;
    position: relative;
  }
  
  .site-header,
  .hge-header {
    position: relative;
    z-index: 1000;
  }
  
  .main-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-base);
    padding: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 999;
    width: 280px;
    left: auto;
  }
  
  /* Mobile menu overlay */
  .mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 998;
  }
  
  .mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
  }
  
  .main-nav.open {
    transform: translateX(0);
  }
  
  .main-nav .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }
  
  .main-nav a {
    font-size: 1.25rem;
    padding: var(--space-sm) 0;
  }
  
  .hero-title { font-size: 2.5rem; }
  .page-title { font-size: 2rem; }
  
  .grid-2,
  .grid-3,
  .grid-4 { 
    grid-template-columns: 1fr; 
  }
  
  .footer-nav {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }
  
  .footer-bottom .footer-container {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
  }
  
  .newsletter-form {
    flex-direction: column;
  }
  
  /* Horizontal scroll card rails */
  .card-rail {
    display: flex;
    gap: var(--space-lg);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--space-md);
  }
  
  .card-rail .card {
    flex: 0 0 280px;
    scroll-snap-align: start;
  }
}

@media (max-width: 480px) {
  .footer-nav {
    grid-template-columns: 1fr;
  }
  
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.5rem; }
}